125039 has 4 divisors (see below), whose sum is σ = 131640. Its totient is φ = 118440.

The previous prime is 125029. The next prime is 125053. The reversal of 125039 is 930521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125039 - 2⁸ = 124783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3272 + ... + 3309.

It is an arithmetic number, because the mean of its divisors is an integer number (32910).

125039 is a Friedman number, since it can be written as 50^(2+1)+39, using all its digits and the basic arithmetic operations.

2¹²⁵⁰³⁹ is an apocalyptic number.

125039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

125039 is a deficient number, since it is larger than the sum of its proper divisors (6601).

125039 is an equidigital number, since it uses as much as digits as its factorization.

125039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6600.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 125039 is about 353.6085406208. The cubic root of 125039 is about 50.0051994593.

The spelling of 125039 in words is "one hundred twenty-five thousand, thirty-nine".